STATION-SIDE OPTICAL COMMUNICATION DEVICE AND METHOD FOR DETECTING LIGHT EMISSION ERROR

PROBLEM TO BE SOLVED: To provide a station-side optical communication device and a method for detecting a light emission error, capable of rapidly detecting occurrence of a light emission error at a subscriber-side optical communication device and generating an alarm.SOLUTION: A station-side optical...

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Bibliographic Details
Main Authors SUZUKI MASAO, NAGURA KENICHI, NAKAGAWA JUNICHI
Format Patent
LanguageEnglish
Published 09.02.2012
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:PROBLEM TO BE SOLVED: To provide a station-side optical communication device and a method for detecting a light emission error, capable of rapidly detecting occurrence of a light emission error at a subscriber-side optical communication device and generating an alarm.SOLUTION: A station-side optical communication device includes an optical receiving section for receiving an optical signal transmitted and time-division multiplexed by a plurality of subscriber-side optical communication devices and a light emission error detection section for detecting a light emission error of the subscriber-side optical communication device based on a reception result by the optical receiving section in an emission inhibiting interval for inhibiting transmission of the optical signal of all the subscriber-side optical communication devices.
Bibliography:Application Number: JP20100163876